PALO ALTO, U.S. -- The U.S. electric vehicle maker Tesla has bought $1.5 billion worth of bitcoins and said it would accept it as a form of payment for its cars in the near future -- adding to the buzz around both carmaker and cryptocurrency.
More companies might follow suit, but the move also raises investor concerns

(Nikkei montage/AP)
PALO ALTO, U.S. -- The U.S. electric vehicle maker Tesla has bought $1.5 billion worth of bitcoins and said it would accept it as a form of payment for its cars in the near future -- adding to the buzz around both carmaker and cryptocurrency.